Recoverable Non-income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
Recoverable Non-income Taxes [Abstract]
Current assets receivables	$ 16.6
Non-current assets receivables	$ 22.4

Recoverable nonincome taxes included in assets noncurrent

No definition available.

Name:	tecua_RecoverableNonincomeTaxesIncludedInAssetsNoncurrent
Namespace Prefix:	tecua_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant